Thermal relief valve, two way safety valve. PBI 18kW Automated Wood Pellet & Multi Fuel Boiler user then topped up the

user then topped up the boiler with fresh load of logs

The GSi boiler temperature control is done by adjust exhaust fan speed thus draw through the combustion chamber in the boiler

Water is fed from heat source using pipes and delivered to coils within heat exchanger

dimensions and available power outputs please see parameters sheet

Thermal relief valve, two way safety valve. PBI 18kW Automated Wood Pellet & Multi Fuel Boiler user then topped up theThermal relief valve, two way safety valve. Crack opening temperature 97deg C + 2 Max working pressure on hot water side 4 bar Max working pressure on cold water side 6 bar Pipe connections G3 4 Heat source connection R3 4 tapered thread Mass 0. 8kg If you have any questions about this or any other product, don't hesitate to get in touch.